no
The Chevy Celebrity 4 cylinder engine doesn't use a timing belt, it uses a timing gear. To replace the gear it is necessary to remove the camshaft from the engine as it is a press job. To remove the camshaft it is necessary to remove the engine from the car.
Yes, you have to remove the camshaft from the engine to replace the timing gear. The timing gear is pressed both on and off of the camshaft using an arbor or other suitable press. Since there is not room to remove the camshaft in the car the engine has to be out of the car.
In order to replace the camshaft position sensor, you would need to disconnect the electrical plug holding it in. Using a socket, hold down the bolt and remove the camshaft position sensor.
unplug wire remove 2 7/32 bolts remove sensor
Locate the camshaft sensor in your car. Disconnect the electrical plug on the sensor. Remove the bolt that holds it in place. Twist the the sensor to remove it and place in the new one.
Remove oil filter cap. Using your torcT30 bit and Allen 5ml loosen back shaft to expose sensor. Remove and replace sensor , reverse install camshaft.
Remove the fuel tank or remove the bed, your choice.
NEED to??? No. But the question becomes, why are you replacing the camshaft? You should always replace the lifters when replacing the camshaft. A worn camshaft usually indicates that there will be other wear as well, but if you just want to squeeze a few more miles out of the engine, you might be able to get by with just replacing the cam and lifters.
Assuming you are asking about a 4.0L engine... Remove the distributor cap. Remove the rotor. Unplug the camshaft positioning sensor from the harness. Lift carefully where the cable feeds through the distributor to the CMP and remove. Put replacement CMP in the same place and connect it to the harness. Replace the rotor and distributor cap. Courtesy of xjtalk.com
You have to remove the instrument cluster to service the light bulbs.
first you have to remove the engine from the car, second, remove the head cover and remove the push rod. under the intake manifold, remove the wide cover and remove the hydrolic lifter (you might want to replace them) at the front of the engine (strap side) remove the pully and the pully cover. mark the place of the timing shaft with a pen and remove it from the engine. you can now pull the camshaft out of the engine but be carefull becaus the bearing are really delicate. to replace the rebuitl camshaft, make sure you place it in the right position with the crank shaft gear. there is a mark on the camshat and on the crank shaft that must me align.
which engine 4cylinder yes 4 cylinder
The cam shaft position sensor is located under the distributor cap. You can replace this easily by undoing the screws holding on the distributor cap, remove and replace the sensor, then just replace the distributor cap.